﻿/*
 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Description: head file of trng driver
 * Create: 2020-02-24
 */

#ifndef __DELAY_H__
#define __DELAY_H__

#include "td_base.h"

#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif
#endif  /* __cplusplus */
#define TIMER_ENABLE_FREE_MODE 0x80
#define CTL_OFFSET_ADDR  0x8
#define VALUE_OFFSET_ADDR  0x4
#define MAX_DELAY_TICK 0xffffffff
#define MHZ_TO_HZ   1000000
#define MS_TO_US    1000

td_void uapi_delay_init(td_u32 hrtimer_addr, td_u32 freq);
td_u32 uapi_udelay(td_u32 delayus);
td_u32 uapi_mdelay(td_u32 delayms);

#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif  /* __cplusplus */

#endif /* CIPHER_TRNG_H */
